Indiana Marriage Laws FindLawThe the legal age of consent in the state of Indiana is 16. This means that any person who's at least the age of sixteen is considered to be legally able to give permission for sexual encounters. It is vital to note that the age of consent varies in different states, therefore it is essential to become knowledgeable of the particular legal age restrictions of each jurisdiction. Nevertheless, in Indiana, it is clear that 16 years old is definitely the limit by which consent can be provided lawfully.